diff --git a/cfg/std.cfg b/cfg/std.cfg
index 8ecf30081..5ea15faa3 100644
--- a/cfg/std.cfg
+++ b/cfg/std.cfg
@@ -5043,7 +5043,6 @@ The obsolete function 'gets' is called. With 'gets' you'll get a buffer overrun
     <arg nr="2" direction="in">
       <not-null/>
       <not-uninit/>
-      <strz/>
     </arg>
     <arg nr="3" direction="in">
       <not-uninit/>
diff --git a/test/cfg/posix.c b/test/cfg/posix.c
index 4ff1ab5f7..d45cc26f2 100644
--- a/test/cfg/posix.c
+++ b/test/cfg/posix.c
@@ -30,6 +30,7 @@
 #include <stdarg.h>
 #include <ctype.h>
 #include <stdbool.h>
+#include <mqueue.h>
 #define _XOPEN_SOURCE
 #include <wchar.h>
 #include <string.h>
@@ -37,6 +38,7 @@
 
 int invalidFunctionArgStr_mq_send(mqd_t mqdes, const char *msg_ptr, size_t msg_len, unsigned msg_prio)
 {
+    // No warning is expected for:
     const char msg = '0';
     (void) mq_send(mqdes, &msg, 1, 0);
     return mq_send(mqdes, msg_ptr, msg_len, 0);
diff --git a/test/cfg/std.c b/test/cfg/std.c
index cf3cbea17..fa722f6dc 100644
--- a/test/cfg/std.c
+++ b/test/cfg/std.c
@@ -29,6 +29,16 @@
 #include <inttypes.h>
 #include <float.h>
 
+void invalidFunctionArgStr_strncat(void)
+{
+    char str1[20];
+    strcpy (str1,"test");
+    const char src = '/';
+    // No warning is expected for
+    strncat (str1, &src, 1);
+    puts (str1);
+}
+
 char * invalidFunctionArgStr_strpbrk( const char *p )
 {
     const char search[] = { -42, -43, -44 };